Ecosystems

5.L.2 Understand the interdependence of plants and animals with their ecosystem.​5.L.2.1 Compare the characteristics of several common ecosystems, including estuaries and salt marshes, oceans, lakes and ponds, forests, and grasslands.5.L.2.2 Classify the organisms within an ecosystem according to the function they serve: producers, consumers, or decomposers (biotic factors).5.L.2.3 Infer the effects that may result from the interconnected relationship of plants and animals to their ecosystem.